PDF Solutions Inc
PDFS- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001120914
In the last 90 days, PDF Solutions Inc insiders filed 0 open-market purchases and 2 sales; 283 institutions reported holding it in 13F filings for Q2 2026, worth $2.75B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in PDF Solutions Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 283
- +77 vs. Q1 2026
- Shares held
- 38.9M
- +7.76M (+24.9%) vs. Q1 2026
- Total value
- $2.75B
- +$1.73B (+169.7%) vs. Q1 2026
- New holders
- 97
- 93 more added
- Sold out
- 20
- 63 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PDFS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 283 | $2.75B |
| Q1 2026 | 208 | $1.05B |
| Q4 2025 | 188 | $874.0M |
| Q3 2025 | 183 | $767.5M |
| Q2 2025 | 173 | $624.1M |
| Q1 2025 | 168 | $530.0M |
| Q4 2024 | 178 | $766.0M |
| Q3 2024 | 176 | $901.4M |
| Q2 2024 | 173 | $1.02B |
| Q1 2024 | 180 | $989.4M |
| Q4 2023 | 198 | $939.7M |
| Q3 2023 | 184 | $891.9M |
| Q2 2023 | 180 | $1.25B |
| Q1 2023 | 178 | $1.15B |
| Q4 2022 | 151 | $752.9M |
| Q3 2022 | 136 | $643.7M |
| Q2 2022 | 127 | $557.5M |
| Q1 2022 | 129 | $742.9M |
| Q4 2021 | 134 | $839.9M |
| Q3 2021 | 112 | $598.3M |
| Q2 2021 | 116 | $508.8M |
| Q1 2021 | 102 | $457.1M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Riverwater Partners LLC | 44,866 | $3.18M | 0.94% | +44,866 | New |
| AQR Capital Management LLC | 45,580 | $3.23M | 0.00% | −2,992−6.2% | Reduced |
| Millennium Management LLC | 45,944 | $3.25M | 0.00% | +45,944 | New |
| Citigroup Inc | 51,061 | $3.61M | 0.00% | +44,655+697.1% | Added |
| Roubaix Capital, LLC | 53,546 | $3.79M | 1.36% | −128,391−70.6% | Reduced |
| Gilder Gagnon Howe & Co LLC | 56,590 | $4.01M | 0.04% | +56,590 | New |
| Bouvel Investment Partners, LLC | 63,352 | $4.48M | 1.01% | +63,352 | New |
| Swiss National Bank | 64,000 | $4.53M | 0.00% | +1,600+2.6% | Added |
| LPL Financial LLC | 64,210 | $4.55M | 0.00% | +1,680+2.7% | Added |
| UBS Asset Management Americas Inc | 65,049 | $4.60M | 0.00% | +5,210+8.7% | Added |
| Arrowstreet Capital, Limited Partnership | 66,592 | $4.71M | 0.00% | +66,592 | New |
| Raymond James Financial Inc | 74,062 | $5.24M | 0.00% | +1,705+2.4% | Added |
| Seven Grand Managers, LLC | 75,000 | $5.31M | 0.21% | +75,000 | New |
| Bridge City Capital, LLC | 76,507 | $5.42M | 1.24% | −24,264−24.1% | Reduced |
| Legal & General Group Plc | 81,024 | $5.73M | 0.00% | +6,637+8.9% | Added |
| Rhumbline Advisers | 81,139 | $5.74M | 0.00% | −3,408−4.0% | Reduced |
| Citadel Advisors LLC | 84,419 | $5.98M | 0.00% | +49,831+144.1% | Added |
| Wells Fargo & Company | 87,071 | $6.16M | 0.00% | +19,910+29.6% | Added |
| EAM Investors, LLC | 88,116 | $6.24M | 0.56% | +88,116 | New |
| Advisor Group Holdings, Inc. | 93,359 | $6.61M | 0.01% | +82,525+761.7% | Added |
| Bank of America Corp | 95,117 | $6.73M | 0.00% | +9,341+10.9% | Added |
| Squarepoint Ops LLC | 95,294 | $6.75M | 0.01% | −35,625−27.2% | Reduced |
| UBS Group AG | 95,744 | $6.78M | 0.00% | −5,541−5.5% | Reduced |
| Envestnet Asset Management Inc | 96,826 | $6.85M | 0.00% | +48,359+99.8% | Added |
| Jane Street Group, LLC | 102,116 | $7.23M | 0.00% | +102,116 | New |
| Brown Capital Management LLC | 102,231 | $7.24M | 1.45% | −2,091−2.0% | Reduced |
| Gem Investment Advisors, LLC | 105,526 | $7.47M | 4.58% | 00.0% | Unchanged |
| Pillsbury Lake Capital LLC | 117,854 | $8.34M | 2.29% | −152,814−56.5% | Reduced |
| Herald Investment Management Ltd | 119,667 | $8.46M | 1.15% | −80,333−40.2% | Reduced |
| Ameriprise Financial Inc | 120,966 | $8.56M | 0.00% | +68,644+131.2% | Added |
| Nuveen, LLC | 121,122 | $8.57M | 0.00% | +9,128+8.2% | Added |
| SEI Investments Co | 121,307 | $8.59M | 0.01% | +30,914+34.2% | Added |
| Susquehanna International Group, LLP | 126,387 | $8.95M | 0.01% | +87,635+226.1% | Added |
| Public Sector Pension Investment Board | 129,443 | $9.16M | 0.02% | +14,918+13.0% | Added |
| Deutsche Bank AG | 132,536 | $9.38M | 0.00% | +66,724+101.4% | Added |
| Davenport & Co LLC | 150,419 | $10.6M | 0.05% | +150,419 | New |
| Rice Hall James & Associates, LLC | 163,000 | $11.5M | 0.56% | +15,218+10.3% | Added |
| New York State Common Retirement Fund | 164,574 | $11.7M | 0.01% | +127,663+345.9% | Added |
| Rockefeller Capital Management L.P. | 182,442 | $12.9M | 0.02% | +182,124+57,271.7% | Added |
| Principal Financial Group Inc | 183,845 | $13.0M | 0.01% | +27,330+17.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 193,520 | $13.7M | 0.03% | −135,385−41.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 203,163 | $14.4M | 0.01% | +203,163 | New |
| Penn Capital Management Co Inc | 203,136 | $14.4M | 0.91% | +183,160+916.9% | Added |
| Bank of New York Mellon Corp | 208,318 | $14.7M | 0.00% | +17,820+9.4% | Added |
| First Trust Advisors LP | 261,686 | $18.5M | 0.01% | +261,686 | New |
| Vanguard Fiduciary Trust Co | 264,958 | $18.8M | 0.00% | +43,878+19.8% | Added |
| ArrowMark Colorado Holdings LLC | 274,537 | $19.4M | 0.81% | −82,083−23.0% | Reduced |
| Divisar Capital Management LLC | 307,879 | $21.8M | 5.02% | −315,485−50.6% | Reduced |
| FMR LLC | 310,389 | $22.0M | 0.00% | +8,180+2.7% | Added |
| Baillie Gifford & Co | 345,472 | $24.5M | 0.02% | +345,472 | New |
| Segall Bryant & Hamill, LLC | 347,244 | $24.6M | 0.29% | +347,244 | New |
| DF Dent & Co Inc | 354,951 | $25.1M | 0.48% | +1,991+0.6% | Added |
| Charles Schwab Investment Management Inc | 367,090 | $26.0M | 0.00% | +58,916+19.1% | Added |
| Shannon River Fund Management LLC | 369,776 | $26.2M | 2.34% | +369,776 | New |
| Goldman Sachs Group Inc | 371,392 | $26.3M | 0.00% | +220,344+145.9% | Added |
| Morgan Stanley | 389,554 | $27.6M | 0.00% | +47,774+14.0% | Added |
| Russell Investments Group, Ltd. | 395,078 | $28.0M | 0.02% | −46,638−10.6% | Reduced |
| Northern Trust Corp | 398,614 | $28.2M | 0.00% | +46,055+13.1% | Added |
| Invesco Ltd. | 422,931 | $29.9M | 0.00% | +278,591+193.0% | Added |
| Oberweis Asset Management Inc | 426,400 | $30.2M | 0.62% | +426,400 | New |
| Silverberg Bernstein Capital Management LLC | 465,823 | $33.0M | 12.63% | −7,060−1.5% | Reduced |
| Samjo Management, LLC | 548,285 | $38.8M | 13.25% | −371,670−40.4% | Reduced |
| William Blair Investment Management, LLC | 554,226 | $39.2M | 0.12% | −701,333−55.9% | Reduced |
| Emerald Mutual Fund Advisers Trust | 566,429 | $40.1M | 1.41% | −28,181−4.7% | Reduced |
| Point72 Asset Management, L.P. | 598,902 | $42.4M | 0.06% | +598,902 | New |
| Ophir Asset Management Pty Ltd | 607,343 | $43.0M | 3.54% | −530,006−46.6% | Reduced |
| Loomis Sayles & Co L P | 643,268 | $45.5M | 0.06% | −183,841−22.2% | Reduced |
| Atreides Management, LP | 658,536 | $46.6M | 0.42% | +658,536 | New |
| Jennison Associates LLC | 716,075 | $50.7M | 0.03% | +716,075 | New |
| Dimensional Fund Advisors LP | 841,186 | $59.5M | 0.01% | −4,507−0.5% | Reduced |
| JPMorgan Chase & Co | 927,267 | $61.1M | 0.00% | +912,599+6,221.7% | Added |
| Emerald Advisers, LLC | 884,294 | $62.6M | 1.47% | +23,475+2.7% | Added |
| Geode Capital Management, LLC | 917,962 | $65.0M | 0.00% | +115,739+14.4% | Added |
| Jupiter Topco LLC | 927,781 | $65.7M | 0.03% | +927,781 | New |
| Snyder Capital Management L P | 1,033,997 | $73.2M | 1.26% | −26,481−2.5% | Reduced |
| Ranger Investment Management, L.P. | 1,149,647 | $81.4M | 5.15% | −129,983−10.2% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 1,319,627 | $93.4M | 0.28% | +179,080+15.7% | Added |
| Wasatch Advisors Inc | 1,380,739 | $97.7M | 0.64% | +873,002+171.9% | Added |
| State Street Corp | 1,386,498 | $98.2M | 0.00% | +194,090+16.3% | Added |
| Vanguard Portfolio Management LLC | 1,457,748 | $103.2M | 0.00% | +57,026+4.1% | Added |
| Vanguard Capital Management LLC | 1,664,256 | $117.8M | 0.00% | +276,134+19.9% | Added |
| Needham Investment Management LLC | 2,065,000 | $146.2M | 4.40% | +42,300+2.1% | Added |
| BlackRock, Inc. | 5,550,335 | $392.9M | 0.01% | +684,158+14.1% | Added |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −84,169−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −81,365−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −36,349−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −30,378−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −17,405−100.0% | Sold out |
| Nano Cap New Millennium Growth Fund L P | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −11,589−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −11,583−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −10,915−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −9,475−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −8,353−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −6,584−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −795−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −387−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −182−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |